140220458

素因数分解:

$2^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{4349}}^1$

素因数の和:4419

約数の個数: 32

約数和(自身を含む): 250560000

約数和(自身を除く): 110339542

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 343, 658, 686, 2303, 4349, 4606, 8698, 16121, 30443, 32242, 60886, 204403, 213101, 408806, 426202, 1430821, 1491707, 2861642, 2983414, 10015747, 20031494, 70110229, 140220458]

約数ペア:

[(1, 140220458), (2, 70110229), (7, 20031494), (14, 10015747), (47, 2983414), (49, 2861642), (94, 1491707), (98, 1430821), (329, 426202), (343, 408806), (658, 213101), (686, 204403), (2303, 60886), (4349, 32242), (4606, 30443), (8698, 16121)]